YOU SAID:
what's new can not be undone into several pieces
INTO JAPANESE
何が新しいのかいくつかの部分に元に戻すことはできません
BACK INTO ENGLISH
I can't undo what's new in some parts
INTO JAPANESE
一部の新しい機能を元に戻すことはできません
BACK INTO ENGLISH
Some new features can not be undone
INTO JAPANESE
一部の新機能は元に戻すことができません
BACK INTO ENGLISH
Some new features can not be undone
You've done this before, haven't you.